sig.php

<?php

class SomeClass {
    /**
     * @signature __construct(string $authentication) 40 byte auth code
     * @signature __construct(string $username, string $password) Github Username, Github Password
     * @signature __construct(array $authentication) array('username' => 'xx', 'password' => xxx)
     *
     * @param string|array $authentication
     */
    public function __construct($authentication = null)
    {}
}